Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9819153 | Optical semiconductor device and manufacturing method thereof | Ayahito Uetake | 2017-11-14 |
| 9728938 | Optical semiconductor device, optical semiconductor device array, and optical transmitter module | Ayahito Uetake | 2017-08-08 |
| 9722397 | Tunable laser and tunable laser module | Kazumasa Takabayashi, Tsuyoshi Yamamoto | 2017-08-01 |
| 9634465 | Optical device and optical module | — | 2017-04-25 |